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Stanley 71, 71 1/2 Sharpening Questions

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Forum topic by poopiekat posted 666 days ago 1054 views 0 times favorited 8 replies Add to Favorites Watch
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poopiekat

3563 posts in 2339 days


666 days ago

Topic tags/keywords: stanley 71 sharpening

Hey all,
Though I really like my 71s, I’ve got 2 questions: What angle should I be shooting for on the bevel? Any special techniques for sharpening? I’m using an expendable oilstone at the present, with the cutter inverted over the edge. Also, who has a preference, skew edge versus arrowhead point? I like cleaning up dadoes cut on the table saw with this tool, just not totally happy with the performance. I suspect a properly tuned edge would really make an impressive surface, I just can’t seem to get there. Thanks!

-- Einstein: "The intuitive mind is a sacred gift, and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift." I'm Poopiekat!!


8 replies so far

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hhhopks

561 posts in 982 days


#1 posted 665 days ago

I got a Millers Falls version of this router plane but I am new to it so haven’t really used it yet. I do see the benefit on using it to clean up the dado cuts from the table saw.

Sorry, no help with the angle business.

The question I have is this: What assurance is the blade’s edge is parallel to the base of the router? I would think how that blade sit is critical to the performance. This will ensure that the dado bottom will be parallel with the board’s surface. With the blade’s being 90 deg to the shaft I would think that the blade will have to actually sit a bit lower then the bent portion of the L shape blade in order to cut properly. So it can’t be a true 90 deg. From this perspective I would think I would prefer the skew rather the arrowhead point (from logic rather than practical experience).

It would be good if there is a post that shows us how to tune a router plane. Maybe, it already exists. We just need to search for it.

-- I'll be a woodworker when I grow up. HHHOPKS

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ksSlim

958 posts in 1495 days


#2 posted 665 days ago

I use a 25 deg angle on most blades for the 71s. Make sure that the back/bottom of the blade is flat with the router base. I fought that issue for a while before I discovered about .005 forward tilt. Straddle a strip of abrasive with the plane, pull backwards a stroke or two, check the scratch marks. I use all 3 styles of blades, square front, skew and hags tooth, depending on wood and usage.

-- Sawdust and shavings are therapeutic

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AnthonyReed

4397 posts in 1045 days


#3 posted 665 days ago

Thanks for the thread Poopiekat; i’m curious to see some of the answers you get.

Thank you for the tip ksSlim.

-- ~Tony

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shampeon

1306 posts in 788 days


#4 posted 665 days ago

hhhopsk: to confirm the blade is parallel to the plate, make a cut in some scrap going one direction, then flip the router plane around and cut it in the opposite direction in the same cut. If the blade is parallel, the second cut shouldn’t touch the bottom. If it touches, it’ll be on one side or the other, and that’s the high side.

Router plane blades aren’t true 90 degree Ls.

-- ian | "You can't stop what's coming. It ain't all waiting on you. That's vanity."

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poopiekat

3563 posts in 2339 days


#5 posted 662 days ago

Thanks for all the great replies! I’m still uncertain about technique for sharpening, should I resign myself to holding the cutter by hand over the edge of the stone or sandpaper? Wow, the arrowhead cutters must be difficult, more so than the skewed or straight cutters.

-- Einstein: "The intuitive mind is a sacred gift, and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift." I'm Poopiekat!!

View Don W's profile

Don W

14673 posts in 1172 days


#6 posted 662 days ago

I just free hand mine like you describe, but then I only have one cutter.

-- Master hand plane hoarder. - http://timetestedtools.com

View CL810's profile

CL810

1926 posts in 1593 days


#7 posted 661 days ago

PK – The current issue of Fine Woodworking (#229, pp 24-29) shows how to sharpen a router plane blade.

-- "It's amazing how much can go wrong when you think you know what you're doing."

View poopiekat's profile

poopiekat

3563 posts in 2339 days


#8 posted 661 days ago

Thanks, Don and Cl810! I’ve got the older issues of FWW on DVD, and nowadays only buy the issues if I see them at Safeway…but they’re usually buried behind “US” or “National Enquirer” so I gotta go fishing when I look for a current copy.

-- Einstein: "The intuitive mind is a sacred gift, and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift." I'm Poopiekat!!

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